blockly > FieldDropdown > doClassValidation_
FieldDropdown.doClassValidation_() method
Ensure that the input value is a valid language-neutral option.
Signature:
protected doClassValidation_(newValue: string): string | null | undefined;
Parameters
| Parameter |
Type |
Description |
| newValue |
string |
The input value. |
Returns:
string | null | undefined
A valid language-neutral option, or null if invalid.
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Last updated 2024-09-18 UTC.
[null,null,["Last updated 2024-09-18 UTC."],[[["`doClassValidation_` is a protected method of the `FieldDropdown` class in Blockly, used to validate user input against the dropdown options."],["This method takes a string input representing the user's selected value and returns a validated, language-neutral option or null if the input is invalid."],["The primary purpose is to ensure that the chosen value is a valid option from the available choices in the dropdown."]]],[]]
